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script: Abstract HTMLLinkElement and StyleElement into StylesheetOwner.
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4 changed files with 117 additions and 91 deletions
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@ -19,13 +19,14 @@ use dom::node::{ChildrenMutation, Node, document_from_node, window_from_node};
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use dom::stylesheet::StyleSheet as DOMStyleSheet;
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use dom::virtualmethods::VirtualMethods;
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use html5ever_atoms::LocalName;
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use net_traits::ReferrerPolicy;
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use script_layout_interface::message::Msg;
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use std::cell::Cell;
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use std::sync::Arc;
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use style::media_queries::parse_media_query_list;
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use style::parser::ParserContextExtraData;
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use style::stylesheets::{Stylesheet, Origin};
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use stylesheet_loader::StylesheetLoader;
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use stylesheet_loader::{StylesheetLoader, StylesheetOwner};
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#[dom_struct]
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pub struct HTMLStyleElement {
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@ -64,28 +65,6 @@ impl HTMLStyleElement {
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HTMLStyleElementBinding::Wrap)
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}
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pub fn increment_pending_loads_count(&self) {
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self.pending_loads.set(self.pending_loads.get() + 1)
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}
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/// Returns None if there are still pending loads, or whether any load has
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/// failed since the loads started.
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pub fn load_finished(&self, succeeded: bool) -> Option<bool> {
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assert!(self.pending_loads.get() > 0, "What finished?");
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if !succeeded {
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self.any_failed_load.set(true);
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}
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self.pending_loads.set(self.pending_loads.get() - 1);
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if self.pending_loads.get() != 0 {
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return None;
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}
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let any_failed = self.any_failed_load.get();
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self.any_failed_load.set(false);
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Some(any_failed)
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}
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pub fn parse_own_css(&self) {
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let node = self.upcast::<Node>();
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let element = self.upcast::<Element>();
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@ -137,10 +116,6 @@ impl HTMLStyleElement {
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})
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})
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}
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pub fn parser_inserted(&self) -> bool {
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self.parser_inserted.get()
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}
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}
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impl VirtualMethods for HTMLStyleElement {
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@ -168,6 +143,37 @@ impl VirtualMethods for HTMLStyleElement {
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}
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}
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impl StylesheetOwner for HTMLStyleElement {
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fn increment_pending_loads_count(&self) {
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self.pending_loads.set(self.pending_loads.get() + 1)
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}
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fn load_finished(&self, succeeded: bool) -> Option<bool> {
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assert!(self.pending_loads.get() > 0, "What finished?");
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if !succeeded {
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self.any_failed_load.set(true);
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}
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self.pending_loads.set(self.pending_loads.get() - 1);
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if self.pending_loads.get() != 0 {
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return None;
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}
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let any_failed = self.any_failed_load.get();
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self.any_failed_load.set(false);
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Some(any_failed)
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}
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fn parser_inserted(&self) -> bool {
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self.parser_inserted.get()
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}
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fn referrer_policy(&self) -> Option<ReferrerPolicy> {
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None
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}
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}
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impl HTMLStyleElementMethods for HTMLStyleElement {
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// https://drafts.csswg.org/cssom/#dom-linkstyle-sheet
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fn GetSheet(&self) -> Option<Root<DOMStyleSheet>> {
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